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xattr handlers: Pass handler to operations instead of flags

Browse source 
The xattr_handler operations are currently all passed a file system
specific flags value which the operations can use to disambiguate between
different handlers; some file systems use that to distinguish the xattr
namespace, for example.  In some oprations, it would be useful to also have
access to the handler prefix.  To allow that, pass a pointer to the handler
to operations instead of the flags value alone.

Signed-off-by: Andreas Gruenbacher <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Andreas Gruenbacher 2015-10-04 19:18:51 +02:00 • committed by Al Viro
commit d9a82a0403
32 changed files with 306 additions and 226 deletions
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10
fs/hfsplus/xattr.c
View file

@ -849,8 +849,9 @@ end_removexattr:
return err;
}
static int hfsplus_osx_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
void *buffer, size_t size)
{
if (!strcmp(name, ""))
return -EINVAL;
@ -871,8 +872,9 @@ static int hfsplus_osx_getxattr(struct dentry *dentry, const char *name,
return __hfsplus_getxattr(d_inode(dentry), name, buffer, size);
}
static int hfsplus_osx_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
static int hfsplus_osx_setxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags)
{
if (!strcmp(name, ""))
return -EINVAL;

10
fs/hfsplus/xattr_security.c
View file

@ -13,16 +13,18 @@
#include "xattr.h"
#include "acl.h"
static int hfsplus_security_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
static int hfsplus_security_getxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
void *buffer, size_t size)
{
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN);
}
static int hfsplus_security_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
static int hfsplus_security_setxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags)
{
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_SECURITY_PREFIX,

10
fs/hfsplus/xattr_trusted.c
View file

@ -11,16 +11,18 @@
#include "hfsplus_fs.h"
#include "xattr.h"
static int hfsplus_trusted_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
static int hfsplus_trusted_getxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
void *buffer, size_t size)
{
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_TRUSTED_PREFIX,
XATTR_TRUSTED_PREFIX_LEN);
}
static int hfsplus_trusted_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
static int hfsplus_trusted_setxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags)
{
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN);

10
fs/hfsplus/xattr_user.c
View file

@ -11,16 +11,18 @@
#include "hfsplus_fs.h"
#include "xattr.h"
static int hfsplus_user_getxattr(struct dentry *dentry, const char *name,
void *buffer, size_t size, int type)
static int hfsplus_user_getxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
void *buffer, size_t size)
{
return hfsplus_getxattr(dentry, name, buffer, size,
XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
}
static int hfsplus_user_setxattr(struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags, int type)
static int hfsplus_user_setxattr(const struct xattr_handler *handler,
struct dentry *dentry, const char *name,
const void *buffer, size_t size, int flags)
{
return hfsplus_setxattr(dentry, name, buffer, size, flags,
XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);